nonmechanical
adjective
non·me·chan·i·cal ˌnän-mi-ˈka-ni-kəl 
: not mechanical: such as
a
: not of, relating to, or involving machinery
nonmechanical solid-state drives
extricated from the vehicle by nonmechanical means
b
: caused by a chemical or biological as opposed to a purely physical change or process
nonmechanical causes of erosion
nonmechanical back pain
Word History
First Known Use
1851, in the meaning defined above